chore: Fix broken links to Google Maps Platform Technical Support Services Guidelines and SLA. (#681)

Author: antonsurya

README.md

@@ -507,7 +507,7 @@ This library is not a Google Maps Platform Core Service. Therefore, the Google M
 
 ## Support
 
-This library is offered via an open source [license]. It is not governed by the Google Maps Platform Support [Technical Support Services Guidelines, the SLA, or the [Deprecation Policy]. However, any Google Maps Platform services used by the library remain subject to the Google Maps Platform Terms of Service.
+This library is offered via an open source [license]. It is not governed by the Google Maps Platform Support [Technical Support Services Guidelines], the [SLA], or the [Deprecation Policy]. However, any Google Maps Platform services used by the library remain subject to the Google Maps Platform Terms of Service.
 
 This library adheres to [semantic versioning] to indicate when backwards-incompatible changes are introduced. Accordingly, while the library is in version 0.x, backwards-incompatible changes may be introduced at any time.